//
//  Dog.h
//  KVO--属性依赖
//
//  Created by 岚海网络 on 2018/12/4.
//  Copyright © 2018年 岚海网络. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface Dog : NSObject

@property (nonatomic , assign) int  age;
@property (nonatomic , assign) int  level;

@end

NS_ASSUME_NONNULL_END
